- TriLib is not a Model exporter.
- The FBX Importer does not import multiple texture layers yet.  
- Some FBX files may present incompatibilities. For example, some FBX polygons may have tesselation issues.
- 3MF Beam Lattice format is not supported yet.
- 3MF PBR Specular materials are not supported yet.
- Blend-shape normals and tangents are not imported yet.